Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark Steven Russo, MD, PHD

Individual provider Nephrology Physician · NPI 1316934326

Mark Steven Russo, MD, PHD is a Nephrology in Naples, Florida. Graduated from State University of New York Downstate Medical Center in 1995, 31 years ago. Practices with Naples Nephrology P A, a 6-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Florida.

Years since qualifying
31
Trained at
State University of New York Downstate Medical Center
Licensed in
FL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

878 109th Ave N
Naples, FL 34108-1821
Phone: (239) 513-1002
Fax: (239) 513-1915
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 83306 (FL)

Record details

NPI number1316934326
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedOctober 4, 2005
Last updated in NPPESSeptember 11, 2013
Mailing address878 109th Ave N, Naples, FL 34108-1821

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 1995 (31 years in practice)
Group practice Naples Nephrology P A — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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